import { expect } from "vitest";
import { type DomainError, isDomainError } from "../types.js";

export function expectDomainError(result: unknown, code: string): DomainError {
	expect(isDomainError(result)).toBe(true);
	if (!isDomainError(result)) throw new Error("unreachable");
	expect(result.code).toBe(code);
	return result;
}